# #

A current $$I$$ flows around the rectangular loop shown in the figure. Evaluate $$\oint\vec{\mathbf{B}}\cdot d\vec{\mathbf{\ell}}$$ for the paths $$A$$, $$B$$, $$C$$, and $$D$$.

## Part 1#

Path $$A$$:

## Part 2#

Path $$B$$:

## Part 3#

Path $$C$$:

Path $$D$$: